Bearings developed by Jiayu for machine tools include large thrust ball bearings,tri-row roller rotary table bearing(YRT type),double row angular contact ball bearing(ZKLDF).These bearings are mainly used in high precision large machine tools such as precision vertical lathe and precision rotary table of gear grinding machine.
Our strength
ISO0901 certificated and advanced measuring instruments and machines tools guarantee the high quality of our products.Rich experience and highly skilled team help us to provide professional and customized products to our customers.
Our products and their features
As professional large precision thrust ball bearing manufacturer,we have provide our customer with high precision bearings and improve the production efficiency.
Features
1.High precision up to P4 or P2
2.Long life due to high quality material and state-of-the-art techniques
3. The raceway of shaft ring and housing are superfinishing after queching treatment which reduce the roughness dramatically.
4.Easy to mount
Appliations
Machine tools rotary table and main shaft,CNC high-speed vertical lathe, CNC superfinishing machine ,In dustrial wind turbine,industrial pump,mining,etc..
The list of high precision machine tool bearings
| Bearing type | Basic dimensions | Basic load rating | |||
| Inner diameter | Outer diameter | Height | Dynamic | Static | |
| d（mm） | D（mm） | H（mm） | C[kN] | Co[kN] | |
| 51160 | 300 | 380 | 62 | 322 | 1250 |
| 51260 | 300 | 420 | 95 | 575 | 2613 |
| 51164 | 320 | 400 | 63 | 352 | 1756 |
| 51264 | 320 | 440 | 95 | 543 | 2565 |
| 51168 | 340 | 420 | 64 | 358 | 1768 |
| 51268 | 340 | 460 | 96 | 575 | 2755 |
| 51368 | 340 | 540 | 160 | 1020 | 5100 |
| 51172 | 360 | 440 | 65 | 431 | 2110 |
| 51272 | 360 | 500 | 110 | 704 | 3610 |
| 51176 | 380 | 460 | 65 | 382 | 1740 |
| 51180 | 400 | 480 | 65 | 403 | 2014 |
| 51280 | 400 | 540 | 112 | 730 | 3800 |
| 59280 | 400 | 540 | 85 | 668 | 3250 |
| 51184 | 420 | 500 | 65 | 410 | 2090 |
| 51784 | 420 | 550 | 80 | 463 | 2574 |
| 51188 | 440 | 540 | 80 | 552 | 2730 |
| 51288 | 440 | 600 | 130 | 904 | 4150 |
| 51791 | 455 | 650 | 120 | 776 | 4851 |
| 51192 | 460 | 560 | 80 | 525 | 3010 |
| 51292 | 460 | 620 | 130 | 688 | 4504 |
| 51196 | 480 | 580 | 80 | 530 | 3100 |
| 51396 | 480 | 730 | 195 | 1065 | 6886 |
| 510/500 | 500 | 540 | 30 | 101 | 835 |
| 511/500 | 500 | 600 | 80 | 595 | 3250 |
| 512/500 | 500 | 670 | 135 | 864 | 5443 |
| 593/500 | 500 | 750 | 150 | 950 | 6320 |
| 511/530 | 530 | 640 | 85 | 707 | 4381 |
| 590/560 | 560 | 610 | 30 | 128 | 960 |
| 591/600 | 600 | 710 | 67 | 475 | 2950 |
| 511/600 | 600 | 710 | 85 | 689 | 4230 |
| 511/630 | 630 | 750 | 95 | 744 | 4680 |
| 512/630 | 630 | 850 | 175 | 1400 | 10000 |
| 517/630 | 630 | 810 | 100 | 894 | 5058 |
| 510/670 | 670 | 730 | 45 | 284 | 2160 |
| 511/670 | 670 | 800 | 105 | 859 | 6040 |
| 572/710 | 710 | 950 | 109 | 787 | 980 |
| 592/710 | 710 | 950 | 145 | 1025 | 1296 |
| 591/750 | 750 | 900 | 90 | 700 | 4900 |
| 517/780 | 780 | 930 | 100 | 800 | 6069 |
| 511/800 | 800 | 950 | 120 | 877 | 6990 |
| 512/800 | 800 | 1060 | 205 | 1810 | 12570 |
| 517/800 | 800 | 920 | 100 | 825 | 6120 |
| 591/850 | 850 | 1000 | 90 | 764 | 5920 |
| 511/850 | 850 | 1000 | 120 | 885 | 6770 |
| 517/980 | 980 | 1120 | 120 | 938 | 8380 |
| 591/1060 | 1060 | 1250 | 115 | 1210 | 10700 |
| 517/1190 | 1190 | 1390 | 115 | 1230 | 12300 |
| 517/1220V | 1220 | 1360 | 60 | 648 | 6804 |
| 517/1380 | 1380 | 1540 | 130 | 1310 | 13700 |
| 511/1400 | 1400 | 1630 | 180 | 1750 | 17600 |
| 517/1720 | 1720 | 2000 | 180 | 2100 | 26900 |
| 517/1720-1 | 1720 | 1880 | 130 | 1250 | 15300 |
| 517/1750 | 1750 | 1950 | 140 | 1540 | 19400 |
| 517/1800 | 1800 | 2000 | 140 | 1550 | 19900 |
| 517/2220 | 2220 | 2500 | 180 | 2270 | 33600 |
For other dimensions you need,please contact us.
